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    Leucocyte cell capturing harmful bacteria, computer illustration. — Stock Photo
    Leucocyte cell capturing harmful bacteria, computer illustration.
    Digital illustration of pink antibodies attacking blue virus particle. — Stock Photo
    Digital illustration of pink antibodies attacking blue virus particle.
    Bacino Orseolo during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe — Stock Photo
    Bacino Orseolo during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Blue senior female silhouette showing spleen in body, illustration. — Stock Photo
    Blue senior female silhouette showing spleen in body, illustration.
    Antibodies attacking coronavirus particle, illustration. — Stock Photo
    Antibodies attacking coronavirus particle, illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Digital illustration of senior man anatomy showing spleen tumour. — Stock Photo
    Digital illustration of senior man anatomy showing spleen tumour.
    Female anatomical body with visible lymphatic system, computer illustration. — Stock Photo
    Female anatomical body with visible lymphatic system, computer illustration.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Tween boy getting temperature taken with an ear thermometer. — Stock Photo
    Tween boy getting temperature taken with an ear thermometer.
    Digital illustration of senior man anatomy showing lymphatic system. — Stock Photo
    Digital illustration of senior man anatomy showing lymphatic system.
    Grey senior female silhouette showing spleen in body, illustration. — Stock Photo
    Grey senior female silhouette showing spleen in body, illustration.
    Lymph nodes of male neck and head, computer illustration. — Stock Photo
    Lymph nodes of male neck and head, computer illustration.
    Lymph nodes of male pelvis, computer illustration. — Stock Photo
    Lymph nodes of male pelvis, computer illustration.
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe — Stock Photo
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Male thorax with lymphatic system, computer illustration. — Stock Photo
    Male thorax with lymphatic system, computer illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Illustration of a dendritic cell, a type of white blood cell that is a component of the body's immune system — Stock Photo
    Illustration of a dendritic cell, a type of white blood cell that is a component of the body's immune system
    Illustration of antibodies against SARS-CoV-2 virus that causes Covid-19 inside person wearing face mask. antibodies have been produced by body after vaccination, giving recipient immunity to disease — Stock Photo
    Illustration of antibodies against SARS-CoV-2 virus that causes Covid-19 inside person wearing face mask. antibodies have been produced by body after vaccination, giving recipient immunity to disease
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Antibodies attacking coronavirus particle, illustration. — Stock Photo
    Antibodies attacking coronavirus particle, illustration.
    Structure of dog lymphatic system with lymph vessels, digital illustration. — Stock Photo
    Structure of dog lymphatic system with lymph vessels, digital illustration.
    Illustration of antigen-presenting cell activity of dendritic cells through membrane-bound histocompatibility complex molecules. — Stock Photo
    Illustration of antigen-presenting cell activity of dendritic cells through membrane-bound histocompatibility complex molecules.
    Pink colored digital illustration of parasitic dust mites. — Stock Photo
    Pink colored digital illustration of parasitic dust mites.
    Macrophage (purple) and cancer cells (red), illustration. — Stock Photo
    Macrophage (purple) and cancer cells (red), illustration.
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes. — Stock Photo
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes.
    Lymph nodes of male pelvis, computer illustration. — Stock Photo
    Lymph nodes of male pelvis, computer illustration.
    Virus being attacked by antibodies — Stock Photo
    Virus being attacked by antibodies
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Abdominal lymph nodes in male body, computer illustration. — Stock Photo
    Abdominal lymph nodes in male body, computer illustration.
    Three dimensional medical illustration of male reproductive system with veins and arteries — Stock Photo
    Three dimensional medical illustration of male reproductive system with veins and arteries
    T-lymphocytes attacking a cancer cell — Stock Photo
    T-lymphocytes attacking a cancer cell
    Lymphatic and skeletal systems of adult — Stock Photo
    Lymphatic and skeletal systems of adult
    Illustration of female silhouette with highlighted spleen. — Stock Photo
    Illustration of female silhouette with highlighted spleen.
    Grey senior female silhouette showing spleen in body, illustration. — Stock Photo
    Grey senior female silhouette showing spleen in body, illustration.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe — Stock Photo
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    Grand canal during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe — Stock Photo
    Grand canal during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe
    Medical illustration of female breast arteries, veins and lymphatic system — Stock Photo
    Medical illustration of female breast arteries, veins and lymphatic system
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    St. Marco square during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe — Stock Photo
    St. Marco square during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe
    Computer illustration of amyloid plaques (yellow) amongst neurons. — Stock Photo
    Computer illustration of amyloid plaques (yellow) amongst neurons.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Abstract female model with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract female model with visible skeleton and lymphatic system, computer illustration.
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Abstract male silhouette with colored spleen, computer illustration. — Stock Photo
    Abstract male silhouette with colored spleen, computer illustration.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Lymph nodes of male shoulder, computer illustration. — Stock Photo
    Lymph nodes of male shoulder, computer illustration.